The Underbarrel in Fortnite is one of the mod categories that drastically improve your weapon’s performance in decimating your enemies.

Fortnite introduced weapon mods in Chapter Five and added a new dimension to the existing weapon where you can personalize your firearms to your needs. In one of the week nine challenges, you will need to deal damage to enemies while using weapons with the Underbarrel mod. If you’re confused about the mod, we’ve got you covered.